Description

Sodium Heptafluorobutyrate is a highly fluorinated organic salt with the CAS number 2218-54-4. This specialty chemical is valued for its unique combination of thermal stability, chemical resistance, and surface-active properties derived from its perfluorinated butyrate chain. It serves as a critical intermediate and functional additive for advanced material synthesis and performance chemistry. Key industries that utilize this compound include pharmaceuticals, agrochemicals, and specialty polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring fluorinated moieties to enhance metabolic stability and bioavailability.
• Agrochemical Synthesis: Acts as a key building block for creating advanced herbicides and pesticides with improved environmental persistence and efficacy.
• Fluorinated Surfactant & Polymer Precursor: Serves as a monomer or modifier in the production of fluoropolymers, imparting oil, water, and stain resistance to coatings and textiles.
• Electrolyte Additive: Employed in advanced lithium-ion battery formulations to improve electrolyte stability and electrode interface performance.
• Catalyst & Ligand Component: Utilized in organometallic chemistry and catalysis for reactions requiring fluorinated environments.
• Analytical Chemistry Standard: Functions as a reference standard in chromatographic analysis (e.g., LC-MS) for quantifying fluorinated compounds.

Basic Information

Product Name	Sodium Heptafluorobutyrate
CAS No.	2218-54-4
Molecular Formula	C4F7NaO2
Molecular Weight	247.99 g/mol
Synonyms	Heptafluorobutyric Acid Sodium Salt; Perfluorobutyric Acid Sodium Salt; Sodium Perfluorobutyrate; Sodium 2,2,3,3,4,4,4-Heptafluorobutanoate; 2,2,3,3,4,4,4-Heptafluorobutyric Acid Sodium Salt; PFBA Sodium Salt; C3F7COONa; Sodium 1H,1H,2H,2H-Heptafluorobutyrate
EINECS	218-727-7

Quality Control

Our Sodium Heptafluorobutyrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global clientele. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, identity, and impurity profiles. We adhere to cGMP principles where applicable to support pharmaceutical and advanced material applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation and clumping. Keep away from incompatible materials such as strong acids and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines
pH (5% aqueous solution)	6.0 - 8.0

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.